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WARNING
Cleaning the filter inserts is not permitted. This inevitably leads to
damage to the filter element, meaning the filter ceases to function and
hazardous substances enter the air.
During the work described in the following section, pay particular
attention to the seal on the main filter. Only an undamaged seal allows
the product to achieve a high filter efficiency. Main filters with a damaged
seal must therefore be replaced every time.
NOTE
Products with IFA certification according to requirements for W3/IFA
certified welding fume separation class. (See "Technical data" chapter)
The IFA approval becomes void if:
•
The product is used other than as intended or is subject to
constructive modifications.
•
Non-original spare parts, in accordance with the spare parts list, are
used.
NOTE
Please also refer to the "Installation" and "Use" chapters for the following
stages.
•
Only original replacement filters, because they guarantee the necessary
filter efficiency and are matched to the product and its performance
characteristics.
•
Switch the product off at the device switch.
•
Prevent unintentional restarting by disconnecting the mains plug.
•
Disconnect the pressure supply and let the compressed air present in
the product flow out via the condensate drain valve.
7.2.2 Changing filters
c) Changing the pre-filter mat
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